Palo Alto Networks Scans Surge 500%, Zero-Day Feared

Cybersecurity firm GreyNoise reported a 500% surge in scanning activity targeting Palo Alto Networks login portals, marking the highest level in three months. The reconnaissance involved over 1,200 IP addresses, with 93% classified as suspicious, originating from various international locations. This activity shares characteristics with recent scanning campaigns against other network hardware, including overlapping tools and infrastructure tied to a specific region. The similarity suggests a potential connection between the operators behind the campaigns. Such significant spikes in scanning can often precede the public disclosure of new zero-day vulnerabilities, prompting close monitoring of the situation.

Latest mentioned: 10-04
Earliest mentioned: 10-04